Programmable controller system programmable controller program display device and program display method

摘要

The program display device (100) of this programmable controller system is provided with: a command name conversion table (136); a second conversion unit which receives a program list (138) from a programmable controller (200) and converts command numbers written in the program list (138) into command names on the basis of the command name conversion table (136); an unassociated command name acquisition unit which on the basis of an additional command information table (237) acquires command names associated with ones of the command numbers written in the program list (138) that are not associated with any command names in the command name conversion table; and a display unit which displays both the command names resulting from the conversion by the second conversion unit and the command names obtained by the unassociated command name acquisition unit.